code: def setUp(self):
      self.x = numpy.random.uniform(-1, 1, (2,)).astype(numpy.float32)
  
file_path: chainer/tests/chainer_tests/functions_tests/array_tests/test_tile.py
imports: import unittest
  import numpy
  from chainer import functions
  from chainer import testing
label_desc: Use image node_id 1 for calling the TestTileTypeError obj's underlying member method code with example usage: obj.setUp() without return types